Home / 112,019,941.20-168,029,911.80-98,583,013.20

Finding the Fourth Proportional to 112,019,941.20, 168,029,911.80 and 98,583,013.20

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Solution

The fourth proportional to 112,019,941.20, 168,029,911.80 and 98,583,013.20 is: 147,874,519.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,019,941.20 : 168,029,911.80 = 98,583,013.20 : x
  2. Step 2: Convert to fraction form
    112,019,941.20/168,029,911.80 = 98,583,013.20/x
  3. Step 3: Cross multiply
    112,019,941.20x = 168,029,911.80 × 98,583,013.20
  4. Step 4: Simplify right side
    112,019,941.20x = 16,564,895,012,974,238
  5. Step 5: Solve for x
    x = 16,564,895,012,974,238/112,019,941.20
  6. Step 6: Final answer
    x = 147,874,519.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.